One man in the employ of this figure wrote the major work describing an artifact made from a nail of the True Cross, the "Iron Crown" of the eponymous group, while another man in his charge allegedly absconded with the bodies of Marcellinus and Peter from Gregory IV to boost his relic-cred. The Historia Langobardum of Paul the Deacon was begun under this man, who defeated 
One man in the employ of this figure wrote the major work describing an artifact made from a nail of the True Cross, the "Iron Crown" of the eponymous group, while another man in his charge allegedly absconded with the bodies of Marcellinus and Peter from Gregory IV to boost his relic-cred. The Historia Langobardum of Paul the Deacon was begun under this man, who defeated Desiderius at the Siege of Pavia after being unable to secure a marriage with empress Irene. This man commissioned a namesake book rebutting Second Nicaea by (*) Theodulf, who with Bavarian envoy Arno of Salzburg and Alcuin of York formed the core of this man's imposing royal court. That court's nature was described in detail by his biographer Einhard, whose writings also describe an attack on this man's rearguard by the Basques at Roncesvalles, which inspired The Song of Roland. The father of Louis the Pious and son of Pepin the Short, for 10 points, name this Frankish king crowned Holy Roman Emperor by Leo III in 800.
One man in the employ of this figure wrote the major work describing an artifact made from a nail of the True Cross, the "Iron Crown" of the eponymous group, while another man in his charge allegedly absconded with the bodies of Marcellinus and Peter from Gregory IV to boost his relic-cred.
{Charlemagne}